1973 Islander 37 vs Catalina 36 MkII — Comparison
1973 Islander 37
Catalina 36 MkII
Specifications Side by Side
| Specification | 1973 Islander 37 | Catalina 36 MkII |
|---|---|---|
| General | ||
| Manufacturer | Islander | Catalina |
| Year | 1973–1978 | 1999–2006 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Alan Gurney | Gerry Douglas |
| Dimensions | ||
| LOA | 11.28 m (37.0 ft) | 10.97 m (36.0 ft) |
| LWL | 8.69 m (28.5 ft) | 9.60 m (31.5 ft) |
| Beam | 3.28 m (10.8 ft) | 3.55 m (11.6 ft) |
| Draft | 1.68 m (5.5 ft) | 1.83 m (6.0 ft) |
| Weight | ||
| Displacement | 6,577 kg (14,500 lbs) | 6,577 kg (14,500 lbs) |
| Ballast | 2,722 kg (6,001 lbs) | 2,495 kg (5,501 lbs) |
| Sailing | ||
| Sail Area | 54.5 m² (587 ft²) | 56.5 m² (608 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 22 HP | 27 HP |
| Fuel Capacity | 76 L (20.1 gal) | 95 L (25.1 gal) |
| Water Capacity | 114 L (30.1 gal) | 189 L (49.9 gal) |
| Accommodation | ||
| Berths | 6 | 7 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The 1973 Islander 37 and Catalina 36 MkII represent two takes on sloop-rigged sailing. The 1973 Islander 37 is a 1970s design by Islander from USA, while the Catalina 36 MkII is a 1990s offering from Catalina from USA. The 1973 Islander 37 was penned by Alan Gurney. The Catalina 36 MkII was designed by Gerry Douglas.
In terms of size, the 1973 Islander 37 measures 11.28m (37.0ft) overall with a beam of 3.28m, compared to the Catalina 36 MkII at 10.97m (36.0ft) with a 3.55m beam. The 1973 Islander 37 is 0.31m longer than the Catalina 36 MkII.
Looking at performance, the 1973 Islander 37 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.77 and 54.5 m² of sail area. The Catalina 36 MkII, with an SA/D of 16.35 and 56.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Catalina 36 MkII has the edge in terms of raw sailing performance.
For comfort and safety, the 1973 Islander 37 offers a moderate motion comfort level (comfort ratio: 23.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The Catalina 36 MkII has a comfort ratio of 18.7 and a capsize screening value of 0.76. The ballast ratios are 41.4% for the 1973 Islander 37 and 37.9% for the Catalina 36 MkII, reflecting their respective approaches to stability.
Below deck, the 1973 Islander 37 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The Catalina 36 MkII offers 7 berths in 2 cabins with 189L water and 95L fuel capacity.
Verdict
For cruising: The 1973 Islander 37 is the better choice for comfortable cruising thanks to its higher comfort ratio, offering a gentler motion at sea that crews will appreciate on longer passages.
For racing: The Catalina 36 MkII has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The Catalina 36 MkII offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.